16201003 has 16 divisors (see below), whose sum is σ = 20586496. Its totient is φ = 12402720.

The previous prime is 16200979. The next prime is 16201007. The reversal of 16201003 is 30010261.

It is a cyclic number.

It is not a de Polignac number, because 16201003 - 2⁹ = 16200491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (16201007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (1286656).

Almost surely, 2^16201003 is an apocalyptic number.

16201003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16201003 is a deficient number, since it is larger than the sum of its proper divisors (4385493).

16201003 is a wasteful number, since it uses less digits than its factorization.

16201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 16201003 is about 4025.0469562478. The cubic root of 16201003 is about 253.0350214764.

Adding to 16201003 its reverse (30010261), we get a palindrome (46211264).

The spelling of 16201003 in words is "sixteen million, two hundred one thousand, three".